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Finding the Third Proportional to 28,868 and 63,088

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Solution

The third proportional to 28,868 and 63,088 is: 137,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868 : 63,088 = 63,088 : x
  2. Step 2: Convert to fraction form
    28,868/63,088 = 63,088/x
  3. Step 3: Cross multiply
    28,868x = 63,088 × 63,088
  4. Step 4: Simplify right side
    28,868x = 3,980,095,744
  5. Step 5: Solve for x
    x = 3,980,095,744/28,868
  6. Step 6: Final answer
    x = 137,872.24

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.